Thermal imager



FIG. 1 is a front view of a thermal imager showing my new design;

FIG. 2 is a left view of the thermal imager shown in FIG. 1;

FIG. 3 is a right view of the thermal imager shown in FIG. 1;

FIG. 4 is a top view of the thermal imager shown in FIG. 1;

FIG. 5 is a bottom view of the thermal imager shown in FIG. 1;

FIG. 6 is a back view of the thermal imager shown in FIG. 1; and,

FIG. 7 is a perspective view of the thermal imager shown in FIG. 1. 

CLAIM The ornamental design for a thermal imager, as shown and described. 